xtensa_perfmon_config - syntax, references, description

Syntax

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Summary

Declaration

typedef struct xtensa_perfmon_config { int repeat_count; float max_deviation; void *call_params; void (*call_function)(void *params); void (*callback)(void *params, uint32_t select, uint32_t mask, uint32_t value); void *callback_params; int tracelevel; uint32_t counters_size; const uint32_t *select_mask; } xtensa_perfmon_config_t;

Fields

Field

Declared as

Description

xtensa_perfmon_config::repeat_count

int

how much times function will be called before the calback will be repeated.

xtensa_perfmon_config::max_deviation

float

Difference between min and max counter number 0..1, 0 - no difference, 1 - not used.

xtensa_perfmon_config::call_params

void *

This pointer will be passed to the call_function as a parameter.

xtensa_perfmon_config::call_function

void (*)(void *params)

pointer to the function that have to be called.

xtensa_perfmon_config::callback

void (*)(void *params, uint32_t select, uint32_t mask, uint32_t value)

pointer to the function that will be called with result parameters.

xtensa_perfmon_config::callback_params

void *

parameter that will be passed to the callback.

xtensa_perfmon_config::tracelevel

int

trace level for all counters. In case of negative value, the filter will be ignored. If it's >=0, then the perfmon will count only when interrupt level > tracelevel. It's useful to monitor interrupts.

xtensa_perfmon_config::counters_size

uint32_t

amount of counter in the list.

xtensa_perfmon_config::select_mask

const uint32_t *

list of the select/mask parameters.

Examples

xtensa_perfmon_config is referenced by 1 libraries and example projects:

perfmon sample

xtensa_perfmon_config struct

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